<?php
/**
 * 课程管理首页
 */
?>
<!--上部分 班级 搜索-->
<link rel="stylesheet" href="../css/bootstrap.min.css">
<link rel="stylesheet" href="../css/iframe_content.css">
<script src="../js/selectchang.js"></script>
<div class="head">
    <div class="select"></div>
    <!--搜索-->
    <form action="course_info.php?action=key" method="post">
        <input type="text" name="key" placeholder="输入要查找的关键字">
        <button type="submit" formtarget="courseInfo">搜索</button>
    </form>
</div>

<iframe src="course_info.php" frameborder="0" name="courseInfo" class="info_iframe"></iframe>

